--- /dev/null
+
+/*
+ * CINELERRA
+ * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "audiodevice.h"
+#ifdef HAVE_FIREWIRE
+#include "audio1394.h"
+#endif
+#include "audioalsa.h"
+#include "audiodvb.h"
+#include "audiov4l2mpeg.h"
+#include "audioesound.h"
+#include "audiooss.h"
+#include "asset.h"
+#include "bctimer.h"
+#include "condition.h"
+#include "dcoffset.h"
+#include "edl.h"
+#include "edlsession.h"
+#include "mainmenu.h"
+#include "mutex.h"
+#include "mwindow.h"
+#include "mwindowgui.h"
+#include "playbackconfig.h"
+#include "preferences.h"
+#include "recordconfig.h"
+#include "recordgui.h"
+#include "record.h"
+#include "sema.h"
+
+
+AudioLowLevel::AudioLowLevel(AudioDevice *device)
+{
+ this->device = device;
+}
+
+AudioLowLevel::~AudioLowLevel()
+{
+}
+
+
+AudioDevice::AudioDevice(MWindow *mwindow)
+{
+ initialize();
+ this->mwindow = mwindow;
+ this->out_config = new AudioOutConfig();
+ this->in_config = new AudioInConfig;
+ this->vconfig = new VideoInConfig;
+ device_lock = new Mutex("AudioDevice::device_lock",1);
+ timer_lock = new Mutex("AudioDevice::timer_lock");
+ buffer_lock = new Mutex("AudioDevice::buffer_lock");
+ polling_lock = new Condition(0, "AudioDevice::polling_lock");
+ playback_timer = new Timer;
+ record_timer = new Timer;
+ for(int i = 0; i < TOTAL_AUDIO_BUFFERS; i++) {
+ output_buffer_t *obfr = &output[i];
+ obfr->play_lock = new Condition(0, "AudioDevice::play_lock");
+ obfr->arm_lock = new Condition(1, "AudioDevice::arm_lock");
+ }
+ reset_input();
+ total_samples_read = 0;
+ total_samples_input = 0;
+ reset_output();
+ total_samples_written = 0;
+ total_samples_output = 0;
+}
+
+AudioDevice::~AudioDevice()
+{
+ stop_audio(0);
+ delete out_config;
+ delete in_config;
+ delete vconfig;
+ delete timer_lock;
+ for( int i=0; i < TOTAL_AUDIO_BUFFERS; ++i ) {
+ output_buffer_t *obfr = &output[i];
+ delete obfr->play_lock;
+ delete obfr->arm_lock;
+ }
+ delete playback_timer;
+ delete record_timer;
+ delete buffer_lock;
+ delete polling_lock;
+ delete device_lock;
+}
+
+int AudioDevice::initialize()
+{
+ for(int i = 0; i < TOTAL_AUDIO_BUFFERS; i++) {
+ input[i].buffer = 0;
+ output[i].buffer = 0;
+ }
+ audio_in = audio_out = 0;
+ in_bits = out_bits = 0;
+ in_channels = out_channels = 0;
+ in_samples = out_samples = 0;
+ in_samplerate = out_samplerate = 0;
+ in_realtime = out_realtime = 0;
+ lowlevel_out = lowlevel_in = 0;
+ in51_2 = out51_2 = 0;
+ in_config_updated = 0;
+ rec_dither = play_dither = 0;
+ rec_gain = play_gain = 1.;
+ r = w = 0;
+ software_position_info = 0;
+ vdevice = 0;
+ sharing = 0;
+ return 0;
+}
+
+
+void AudioThread::initialize()
+{
+ device = 0;
+ arun = 0;
+ aend = 0;
+ startup_lock = 0;
+ started = 0;
+}
+
+
+AudioThread::
+AudioThread(AudioDevice *device,
+ void (AudioDevice::*arun)(), void (AudioDevice::*aend)())
+ : Thread(1, 0, 0)
+{
+ initialize();
+ startup_lock = new Condition(0, "AudioThread::startup_lock");
+ this->device = device;
+ this->arun = arun;
+ this->aend = aend;
+ Thread::start();
+}
+
+AudioThread::~AudioThread()
+{
+ delete startup_lock;
+}
+
+void AudioThread::stop(int wait)
+{
+ if( !wait ) (device->*aend)();
+ startup();
+ Thread::join();
+}
+
+void AudioThread::run()
+{
+ startup_lock->lock();
+ (device->*arun)();
+}
+
+void AudioThread::startup()
+{
+ if( !started ) {
+ started = 1;
+ startup_lock->unlock();
+ }
+}
+
+
+void AudioDevice::stop_input()
+{
+ device_lock->lock("AudioDevice::stop_input");
+ if( audio_in ) {
+ audio_in->stop(0);
+ delete audio_in;
+ audio_in = 0;
+ }
+ reset_input();
+ device_lock->unlock();
+}
+
+void AudioDevice::stop_output(int wait)
+{
+ if( !wait ) playback_interrupted = 1;
+ device_lock->lock("AudioDevice::stop_output");
+ if( audio_out ) {
+ if( is_playing_back )
+ audio_out->stop(wait);
+ delete audio_out;
+ audio_out = 0;
+ }
+ reset_output();
+ device_lock->unlock();
+}
+
+int AudioDevice::stop_audio(int wait)
+{
+ if( audio_in ) stop_input();
+ if( audio_out ) stop_output(wait);
+ return 0;
+}
+
+
+int AudioDevice::create_lowlevel(AudioLowLevel* &lowlevel, int driver,int in)
+{
+ *(in ? &this->idriver : &this->odriver) = driver;
+
+ if(!lowlevel) {
+ switch(driver) {
+#ifdef HAVE_OSS
+ case AUDIO_OSS:
+ case AUDIO_OSS_ENVY24:
+ lowlevel = new AudioOSS(this);
+ break;
+#endif
+
+#ifdef HAVE_ESOUND
+ case AUDIO_ESOUND:
+ lowlevel = new AudioESound(this);
+ break;
+#endif
+ case AUDIO_NAS:
+ break;
+
+#ifdef HAVE_ALSA
+ case AUDIO_ALSA:
+ lowlevel = new AudioALSA(this);
+ break;
+#endif
+
+#ifdef HAVE_FIREWIRE
+ case AUDIO_1394:
+ case AUDIO_DV1394:
+ case AUDIO_IEC61883:
+ lowlevel = new Audio1394(this);
+ break;
+#endif
+
+ case AUDIO_DVB:
+ lowlevel = new AudioDVB(this);
+ break;
+
+ case AUDIO_V4L2MPEG:
+ lowlevel = new AudioV4L2MPEG(this);
+ break;
+ }
+ }
+ return 0;
+}
+
+int AudioDevice::open_input(AudioInConfig *config, VideoInConfig *vconfig,
+ int rate, int samples, int channels, int realtime)
+{
+ device_lock->lock("AudioDevice::open_input");
+ r = 1;
+ this->in_config->copy_from(config);
+ this->vconfig->copy_from(vconfig);
+ in_samplerate = rate;
+ in_samples = samples;
+ in_realtime = realtime;
+ in51_2 = config->map51_2 && channels == 2;
+ if( in51_2 ) channels = 6;
+ in_channels = channels;
+ rec_gain = config->rec_gain;
+ create_lowlevel(lowlevel_in, config->driver, 1);
+ lowlevel_in->open_input();
+ in_config_updated = 0;
+ record_timer->update();
+ device_lock->unlock();
+ return 0;
+}
+
+int AudioDevice::open_output(AudioOutConfig *config,
+ int rate, int samples, int channels, int realtime)
+{
+ device_lock->lock("AudioDevice::open_output");
+ w = 1;
+ *this->out_config = *config;
+ out_samplerate = rate;
+ out_samples = samples;
+ out51_2 = config->map51_2 && channels == 6;
+ if( out51_2 ) channels = 2;
+ out_channels = channels;
+ out_realtime = realtime;
+ play_gain = config->play_gain;
+ create_lowlevel(lowlevel_out, config->driver,0);
+ int result = lowlevel_out ? lowlevel_out->open_output() : 0;
+ device_lock->unlock();
+ return result;
+}
+
+int AudioDevice::open_monitor(AudioOutConfig *config,int mode)
+{
+ device_lock->lock("AudioDevice::open_output");
+ w = 1;
+ *this->out_config = *config;
+ monitoring = mode;
+ monitor_open = 0;
+ device_lock->unlock();
+ return 0;
+}
+
+
+
+int AudioDevice::interrupt_crash()
+{
+ if( lowlevel_in )
+ lowlevel_in->interrupt_crash();
+ stop_input();
+ return 0;
+}
+
+double AudioDevice::get_itimestamp()
+{
+ buffer_lock->lock("AudioDevice::get_itimestamp");
+ timer_lock->lock("AudioDevice::get_otimestamp");
+ input_buffer_t *ibfr = &input[input_buffer_out];
+ int frame = get_ichannels() * get_ibits() / 8;
+ int64_t samples = frame ? input_buffer_offset / frame : 0;
+ double timestamp = !in_samplerate || ibfr->timestamp < 0. ? -1. :
+ ibfr->timestamp + (double) samples / in_samplerate;
+ timer_lock->unlock();
+ buffer_lock->unlock();
+ return timestamp;
+}
+
+double AudioDevice::get_otimestamp()
+{
+ buffer_lock->lock("AudioDevice::get_otimestamp");
+ timer_lock->lock("AudioDevice::get_otimestamp");
+ int64_t unplayed_samples = total_samples_output - current_position();
+ double unplayed_time = !out_samplerate || last_buffer_time < 0. ? -1. :
+ (double)unplayed_samples / out_samplerate;
+ double timestamp = last_buffer_time - unplayed_time;
+ timer_lock->unlock();
+ buffer_lock->unlock();
+ return timestamp;
+}
+
+double AudioDevice::device_timestamp()
+{
+ return lowlevel_in ? lowlevel_in->device_timestamp() : -1.;
+}
+
+int AudioDevice::close_all()
+{
+ device_lock->lock("AudioDevice::close_all");
+ stop_audio(0);
+ if( lowlevel_in ) {
+ lowlevel_in->close_all();
+ delete lowlevel_in;
+ lowlevel_in = 0;
+ }
+ if( lowlevel_out )
+ {
+ lowlevel_out->close_all();
+ delete lowlevel_out;
+ lowlevel_out = 0;
+ }
+ initialize();
+ device_lock->unlock();
+ return 0;
+}
+
+void AudioDevice::auto_update(int channels, int samplerate, int bits)
+{
+ if( !in_config || !in_config->follow_audio ) return;
+ in_channels = channels;
+ in_samplerate = samplerate;
+ in_bits = bits;
+ in_config_updated = 1;
+ polling_lock->unlock();
+}
+
+int AudioDevice::config_updated()
+{
+ if( !in_config || !in_config->follow_audio ) return 0;
+ return in_config_updated;
+}
+
+void AudioDevice::config_update()
+{
+ in_config_updated = 0;
+ AudioInConfig *aconfig_in = mwindow->edl->session->aconfig_in;
+ in51_2 = aconfig_in->map51_2 && in_channels == 6 ? 1 : 0;
+ int ichannels = in51_2 ? 2 : in_channels;
+ AudioOutConfig *aconfig_out = mwindow->edl->session->playback_config->aconfig;
+ out51_2 = aconfig_out->map51_2 && ichannels == 6 ? 1 : 0;
+ aconfig_in->in_samplerate = in_samplerate;
+ aconfig_in->channels = ichannels;
+ aconfig_in->oss_in_bits = in_bits;
+ aconfig_in->alsa_in_bits = in_bits;
+ total_samples_read = 0;
+ total_samples_input = 0;
+ monitor_open = 0;
+}
+
+int AudioDevice::start_toc(const char *path, const char *toc_path)
+{
+ return lowlevel_in ? lowlevel_in->start_toc(path, toc_path) : -1;
+}
+
+int AudioDevice::start_record(int fd, int bsz)
+{
+ return lowlevel_in ? lowlevel_in->start_record(fd, bsz) : -1;
+}
+
+int AudioDevice::stop_record()
+{
+ return lowlevel_in ? lowlevel_in->stop_record() : -1;
+}
+
+int AudioDevice::total_audio_channels()
+{
+ return lowlevel_in ? lowlevel_in->total_audio_channels() : 0;
+}
+
+DeviceMPEGInput *AudioDevice::mpeg_device()
+{
+ return lowlevel_in ? lowlevel_in->mpeg_device() : 0;
+}
+
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